Home / 106,985.40-147,642.16-58,589.36

Finding the Fourth Proportional to 106,985.40, 147,642.16 and 58,589.36

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Solution

The fourth proportional to 106,985.40, 147,642.16 and 58,589.36 is: 80,854.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,985.40 : 147,642.16 = 58,589.36 : x
  2. Step 2: Convert to fraction form
    106,985.40/147,642.16 = 58,589.36/x
  3. Step 3: Cross multiply
    106,985.40x = 147,642.16 × 58,589.36
  4. Step 4: Simplify right side
    106,985.40x = 8,650,259,663.42
  5. Step 5: Solve for x
    x = 8,650,259,663.42/106,985.40
  6. Step 6: Final answer
    x = 80,854.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.